--
GrupodeBetãoArmadoePré-Esforçado-1ST
,P
CentrodeGravidade,InérciaeLarguraequivalentedeSecçõesemT[4]
+ b +
3
j$1
I
t
beqh
I I
1=
r
12
I I
IXI
h I
G
I
xG=(1-CG)h
1
I I
I I h-xG
I I
beq=Cbb
L .J
+bw+
§:Cb-+-beq-+
NaTabela:...
CG
1 2 3 4 5 6 7 8 9 10
0,30
1,0000,6830,5350,4440,3820,3360,3010,2730,2500,232
0,5000,5800,6310,6650,6900,710O,i250,7370,7470,755
0,275
1,0000,6800,5340,4440,3820,3360,3010,2730,2500,231
0,5000,5780,6280,6630,6890,7090,7260,7390,7490,758
0,25
1,0000,6770,5310,4430,3810,3360,3010,2730,2500,231
0,5000,5750,6250,6600,6870,7080,7240,7390,7500,760
0,225
1,0000,6710,5270,440 0,3800,3350,3010,2730,2500,231
0,5000,5710,6200,656 0,6830,7050,7220,7370,7490,759
0,20
1,0000,664
0,521I0,436
0,3770,3330,2990,2720,2490,231
0,5000,5660,6140,6500,6770,7000,7180,7330,7460,757
0,175
1,0000,6550,5130,4290,3720,3300,2970,2700,2480,230
0,5000,5610,6060,6420,6690,6920,7110,7270,7400,752
0,15
1,0000,6430,5020,4210,3650,3240,2920,2670,245O,28
0,5000,5550,5980,6310,6590,6820,7010,7170,731O,í44
0,125
1,0000,6290,4880,4080,3550,3160,2850,2610,2400,223
0,5000,548
0,587I0,619 0,6450,6680,6870,7040,7180,731
0,100
1,0000,6110,469
0,391I0,340
0,3030,2740,2570,2320,216
0,5000,5400,5750,6030,6280,650
I0,668 0,6860,7000,713
0,075
1,0000,5900,445 0,3680,3190,2840,2570,2360,2180,204
0,500 0,5320,5600,5840,6060,6260,6430,6590,6730,686
0,05
1,0000,5650,4150,3380,2900,2570,2320,2130,1970,184
0,5000,5220,5430,5610,5790,5950,6090,6230,6350,647
0,025
1,0000,5350,3780,3000,2520,2190,1910,1780,1640,152
0,5000,5110,5230,5340,5440,5540,563 0,6720,5810,589